Oral hygiene device



FIG. 1 is a perspective view of a first embodiment of an oral hygiene device.

FIG. 2 is a top view of the oral hygiene device shown in FIG. 1.

FIG. 3 is a bottom view of the oral hygiene device shown in FIG. 1.

FIG. 4 is a right side view of the oral hygiene device shown in FIG. 1.

FIG. 5 is a left side view of the oral hygiene device shown in FIG. 1.

FIG. 6 is a front view of the oral hygiene device shown in FIG. 1.

FIG. 7 is a rear view of the oral hygiene device shown in FIG. 1.

FIG. 8 is a perspective view of a second embodiment of an oral hygiene device.

FIG. 9 is a top view of the oral hygiene device shown in FIG. 8.

FIG. 10 is a bottom view of the oral hygiene device shown in FIG. 8.

FIG. 11 is a right side view of the oral hygiene device shown in FIG. 8.

FIG. 12 is a left side view of the oral hygiene device shown in FIG. 8.

FIG. 13 is a front view of the oral hygiene device shown in FIG. 8; and,

FIG. 14 is a rear view of the oral hygiene device shown in FIG. 8. 

CLAIM The ornamental design for an oral hygiene device, substantially as shown and described. 